diff --git a/loopy/target/c/c_execution.py b/loopy/target/c/c_execution.py
index e89bb9181f1cb02952c5da504f0a10a9240416e8..36c4b769d02a75df056757b6240103108377f8b0 100644
--- a/loopy/target/c/c_execution.py
+++ b/loopy/target/c/c_execution.py
@@ -378,6 +378,8 @@ class CKernelExecutor(KernelExecutorBase):
         if self.kernel.options.edit_cl:
             from pytools import invoke_editor
             dev_code = invoke_editor(dev_code, "code.c")
+            # update code from editor
+            all_code = '\n'.join([dev_code, '', host_code])
 
         c_kernels = []
         for dp in codegen_result.device_programs: